Home / 77,129.46-115,707.15-24,555.06

Finding the Fourth Proportional to 77,129.46, 115,707.15 and 24,555.06

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Solution

The fourth proportional to 77,129.46, 115,707.15 and 24,555.06 is: 36,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,129.46 : 115,707.15 = 24,555.06 : x
  2. Step 2: Convert to fraction form
    77,129.46/115,707.15 = 24,555.06/x
  3. Step 3: Cross multiply
    77,129.46x = 115,707.15 × 24,555.06
  4. Step 4: Simplify right side
    77,129.46x = 2,841,196,010.68
  5. Step 5: Solve for x
    x = 2,841,196,010.68/77,129.46
  6. Step 6: Final answer
    x = 36,836.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.